// RAP [rh] Keys completely disabled as not implemented in RWT
///*******************************************************************************
// * Copyright (c) 2007, 2008 IBM Corporation and others.
// * All rights reserved. This program and the accompanying materials
// * are made available under the terms of the Eclipse Public License v1.0
// * which accompanies this distribution, and is available at
// * http://www.eclipse.org/legal/epl-v10.html
// *
// * Contributors:
// *     IBM Corporation - initial API and implementation
// *******************************************************************************/
//
//package org.eclipse.ui.internal.keys;
//
//import org.eclipse.core.commands.Category;
//import org.eclipse.core.commands.ParameterizedCommand;
//import org.eclipse.core.commands.common.NotDefinedException;
//import org.eclipse.jface.bindings.Binding;
//import org.eclipse.jface.viewers.Viewer;
//import org.eclipse.ui.dialogs.PatternFilter;
//import org.eclipse.ui.internal.keys.model.BindingElement;
//
//class CategoryPatternFilter extends PatternFilter {
//	private boolean filterCategories;
//	final Category uncategorized;
//
//	public CategoryPatternFilter(boolean filterCategories, Category c) {
//		uncategorized = c;
//		filterCategories(filterCategories);
//	}
//
//	public void filterCategories(boolean b) {
//		filterCategories = b;
//		if (filterCategories) {
//			setPattern("org.eclipse.ui.keys.optimization.false"); //$NON-NLS-1$
//		} else {
//			setPattern("org.eclipse.ui.keys.optimization.true"); //$NON-NLS-1$
//		}
//	}
//	
//	public boolean isFilteringCategories() {
//		return filterCategories;
//	}
//
//	/*
//	 * (non-Javadoc)
//	 * 
//	 * @see org.eclipse.ui.dialogs.PatternFilter#isLeafMatch(org.eclipse.jface.viewers.Viewer,
//	 *      java.lang.Object)
//	 */
//	protected boolean isLeafMatch(Viewer viewer, Object element) {
//		if (filterCategories) {
//			final ParameterizedCommand cmd = getCommand(element);
//			try {
//				if (cmd != null
//						&& cmd.getCommand().getCategory() == uncategorized) {
//					return false;
//				}
//			} catch (NotDefinedException e) {
//				return false;
//			}
//		}
//		return super.isLeafMatch(viewer, element);
//	}
//
//	private ParameterizedCommand getCommand(Object element) {
//		if (element instanceof BindingElement) {
//			Object modelObject = ((BindingElement) element).getModelObject();
//			if (modelObject instanceof Binding) {
//				return ((Binding) modelObject).getParameterizedCommand();
//			} else if (modelObject instanceof ParameterizedCommand) {
//				return (ParameterizedCommand) modelObject;
//			}
//		}
//		return null;
//	}
//}
